Add dispatch of SBGEMVNKERNEL for NEOVERSEN2 and NEOVERSEV2

kernel/arm64/KERNEL.NEOVERSEN2

@@ -198,4 +198,5 @@ SBGEMMINCOPYOBJ =  sbgemm_incopy$(TSUFFIX).$(SUFFIX)
 SBGEMMITCOPYOBJ =  sbgemm_itcopy$(TSUFFIX).$(SUFFIX)
 SBGEMMONCOPYOBJ =  sbgemm_oncopy$(TSUFFIX).$(SUFFIX)
 SBGEMMOTCOPYOBJ =  sbgemm_otcopy$(TSUFFIX).$(SUFFIX)
-SBGEMVTKERNEL = sbgemv_t_bfdot.c
+SBGEMVTKERNEL = sbgemv_t_bfdot.c
+SBGEMVNKERNEL = sbgemv_n_neon.c

kernel/arm64/KERNEL.NEOVERSEV2

@@ -2,4 +2,5 @@ include $(KERNELDIR)/KERNEL.ARMV8SVE
 
 ifeq ($(BUILD_BFLOAT16), 1)
 SBGEMVTKERNEL = sbgemv_t_bfdot.c
+SBGEMVNKERNEL = sbgemv_n_neon.c
 endif